Of the 54 ovarian tumors, thirty-three (61%) were malignant and twenty-one (39%) were benign. Thirty-five ovarian tumors (65%) were germ cell, eighteen (33%) were common epithelium, and one (2%) was stromal cell. In the age group less than 15 years, 81% had malignancies, as compared with 53% the age group between 15 to 19 years. (table 3).
The most common presenting symptom of benign tumors was abdominal pain (43%) followed by abdominal mass (29%). In addition 86% of benign tumors were in patients aged 15 through 19 years. Importantly , no benign epithelial tumors were found in patients aged under 15 years. Benign tumors comprised mature teratoma 62% (13 of 21 ) and cystadenoma 38% (8 of 21 ). All benign tumors were unilateral. About 62 % of benign tumors varied between 6 and 15 cm in greatest diameter.